Data Sufficiency - Deepa's Age
CMAT 2019 · Logical Reasoning · Medium · Data Sufficiency
In the question below, 3 statements I, II and III are given. You are required to find out which of the given statement(s) is/are sufficient to answer the question.
How old was Deepa on October 2018? I. Deepa is 6 yrs older than her sister Prabha. II. Prabha is 29 yrs younger than her mother. III. Deepa's mother celebrated her birthday on July 2018.
- A.
I and III
- B.
All I, II and III
- C.
I and II
- D.
II and III
B
Explanation
From III, we get mother's age. From II, using mother's age, we get Prabha's age. From I, using Prabha's age, we get Deepa's age. Thus, all three statements I, II, and III together are necessary.
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